Opera House and Harbour Bridge, Sydney, New South Wales, Australia, Pacific

Friday Mosque and cityscape with badgirs (wind towers), Yazd, Yazd Province, Iran, Middle East

Friday Mosque, general view, with badgirs (wind towers), Yazd, Yazd Province, Iran, Middle East

Bastakia District of historic arabic houses with wind towers, Bur Dubai, Dubai, United Arab Emirates, Middle East

The 17th century church of Santa Maria della Salute across the Grand Canal with a row of gondolas slowly moving in the wind, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Pont du Charles de Gaulle bridge over the Meuse river with colorful saxophones as memorials to Adolphe Sax, Collegiate Church of Notre-Dame and Citadel, Dinant, Namur, Wallonia, Belgium, Europe

Nuclear power plant Brokdorf and wind turbine, Brokdorf, Wilstermarsch, Kreis Steinburg district, Elbe Marshes, Schleswig-Holstein, Germany, Europe

Wind turbines of the Cezallier windfarm, Puy de Dome department, Auvergne, France, Europe

Low angle view of buildings, Miami, Florida, USA

Felucca traveling on the River Nile with the tombs of nobles and Qubbet el-Hawa in the background on the western bank of the river while a bird flies by, Aswan, Egypt, Africa

USA, Colorado, Denver, Capitol State building against blue sky

USA, Colorado, Denver, Capitol State building against blue sky